/Engine/Source/Runtime/MovieSceneCapture/Public/FrameGrabber.h
Resolve the specified viewport RHI, calling the specified callback with the result.
void ResolveRenderTarget ( [FViewportSurfaceReader](API\Runtime\MovieSceneCapture\FViewportSurfaceReader) * RenderToReadback, const FTexture2DRHIRef & BackBuffer, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void([FColor](API\Runtime\Core\Math\FColor) *, int32, int32)> Callback )